{"job_id":"anim-job-c245899b-39ee-4f9e-b3dd-405d66eec78c","request_id":"bulk-2026-05-21T06-14-14-458Z-5-a2-physics.09.laws-of-motion.action-reaction-pairs","status":"complete","asset":{"primary_url":"https://storage.googleapis.com/pupiltree-animation-assets/anim-job-c245899b-39ee-4f9e-b3dd-405d66eec78c/walkthrough.mp4","thumbnail_url":"https://storage.googleapis.com/pupiltree-animation-assets/anim-job-c245899b-39ee-4f9e-b3dd-405d66eec78c/thumb.jpg","transcript_url":"https://storage.googleapis.com/pupiltree-animation-assets/anim-job-c245899b-39ee-4f9e-b3dd-405d66eec78c/transcript.vtt","interactive_url":"https://storage.googleapis.com/pupiltree-animation-assets/anim-job-c245899b-39ee-4f9e-b3dd-405d66eec78c/index.html","scenefile_url":"https://storage.googleapis.com/pupiltree-animation-assets/anim-job-c245899b-39ee-4f9e-b3dd-405d66eec78c/scene-source.json","duration_seconds":15,"byte_size":469815,"renderer":"html_three_js_local","parameters":{"style":"auto","executor":"native_render_executor","localPath":"/app/storage/assets/anim-job-c245899b-39ee-4f9e-b3dd-405d66eec78c","interactivity":"none","renderer_style":"three_js","durationSeconds":15,"render_manifest":{"jobId":"anim-job-c245899b-39ee-4f9e-b3dd-405d66eec78c","request":{"gap":{"topic":"laws_of_motion-action_reaction_pairs","severity":"moderate","error_type":"concept_misunderstanding","memory_state":"fragile","display_topic":"Action-Reaction Pairs","common_wrong_answer":"The concept works the same way in all conditions.","confidence_at_error":"high","correct_understanding":"The concept depends on constraints, assumptions, and variable relationships."},"target":{"style":"auto","render":{"fps":30,"format":"mp4","resolution":"1920x1080","include_thumbnail":true,"include_transcript":true},"audience":{"tone":"neutral_instructional","grade":"9","language":"en"},"interactivity":"none","duration_seconds":15},"context":{"chapter":{"name":"Laws of Motion","ncert_class":9},"sub_topics":[{"topic":"laws_of_motion-action_reaction_pairs","key_concepts":["Action-Reaction Pairs","Laws of Motion"]}]},"metadata":{"priority":"normal","trace_id":"bulk-run-2026-05-21T06-14-14-458Z"},"exam_type":"neet","asset_type":"simulation","request_id":"bulk-2026-05-21T06-14-14-458Z-5-a2-physics.09.laws-of-motion.action-reaction-pairs","subject_area":"physics"},"renderer":"html_three_js_local","storyboard":{"beats":[{"label":"Topic","visual":"Show the topic title and the key physical context.","narration":"Action-Reaction Pairs"},{"label":"Mistake","visual":"Show the wrong approach and why it seems plausible.","narration":"The concept works the same way in all conditions."},{"label":"Correction","visual":"Show the right approach step by step.","narration":"The concept depends on constraints, assumptions, and variable relationships."},{"label":"Concept","visual":"Highlight the key formula and the governing relationship.","narration":"Action-Reaction Pairs. Laws of Motion"}],"title":"Action-Reaction Pairs","sceneCode":"<!doctype html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"utf-8\"/>\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\"/>\n  <title>Action-Reaction Pairs: Constraints Matter</title>\n  <style>\n    :root{--bg:#101417;--panel:#1c232e;--line:#3b4a55;--accent:#e0b15b;--text:#f3f7fa;--muted:#a8b4bf;--blue:#4ea8ff;--green:#8decb0;--red:#df8279;}\n    *{box-sizing:border-box;}\n    body{margin:0;font-family:\"Plus Jakarta Sans\",\"Manrope\",\"Inter\",ui-sans-serif,system-ui,sans-serif;background:radial-gradient(120% 90% at 20% -5%,#2a3944 0%,var(--bg) 58%);color:var(--text);}\n    main{min-height:100vh;display:grid;grid-template-columns:minmax(300px,380px) 1fr;}\n    aside{border-right:1px solid var(--line);background:linear-gradient(180deg,rgba(28,35,46,.86),rgba(14,18,26,.94));padding:24px;overflow:auto;backdrop-filter:blur(6px);}\n    section{padding:24px;display:grid;place-items:center;}\n    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class=\"formula\">F_A = −F_R (always equal & opposite)</p>\n    <label class=\"control\"><span>Mass Ratio: <strong id=\"v-ratio\">2</strong></span><input id=\"c-ratio\" type=\"range\" min=\"0.5\" max=\"5\" step=\"0.5\" value=\"2\"/></label>\n    <label class=\"control\"><span>Friction: <strong id=\"v-friction\">0</strong> N</span><input id=\"c-friction\" type=\"range\" min=\"0\" max=\"100\" step=\"10\" value=\"0\"/></label>\n    <label class=\"control\"><span>Wall Constraint: <strong id=\"v-wall\">off</strong></span><input id=\"c-wall\" type=\"checkbox\"/></label>\n    <ul>\n      <li><span class=\"misconception\"></span><strong>Misconception:</strong> Equal forces always produce equal acceleration</li>\n      <li><span class=\"correction\"></span><strong>Truth:</strong> F = ma means acceleration depends on mass</li>\n      <li><span class=\"keyidea\"></span><strong>Key:</strong> Constraints (walls, friction) break symmetry</li>\n      <li style=\"margin-top:8px;color:var(--blue);\">Push Box A: forces are equal, accelerations differ</li>\n      <li style=\"color:var(--blue);\">Enable Wall: one object can't move = unequal motion</li>\n    </ul>\n  </aside>\n  <section>\n    <div class=\"stage\" id=\"stage\">\n      <div class=\"legend\" id=\"legend\">Ready</div>\n      <canvas id=\"sim-cv\" style=\"position:absolute;inset:0;width:100%;height:100%;\"></canvas>\n    </div>\n  </section>\n</main>\n<script>\nconst controls = [\n  {\"key\":\"ratio\",\"label\":\"Mass Ratio\",\"min\":0.5,\"max\":5,\"step\":0.5,\"value\":2,\"units\":\"\"},\n  {\"key\":\"friction\",\"label\":\"Friction\",\"min\":0,\"max\":100,\"step\":10,\"value\":0,\"units\":\"N\"},\n  {\"key\":\"wall\",\"label\":\"Wall\",\"min\":0,\"max\":1,\"step\":1,\"value\":0,\"units\":\"\"}\n];\nfor(const c of controls){\n  const inp=document.getElementById('c-'+c.key);\n  const out=document.getElementById('v-'+c.key);\n  if(inp.type==='checkbox'){\n    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